Linked Questions

5
votes
3answers
3k views

How is drag created from wingtip vortices?

What is the reason for the drag due to wingtip vortices? This question is about (general) performance, but doesn't answer the drag aspect.
11
votes
2answers
26k views

How does the raked wingtip of the Boeing 787 work?

The wing tips are very different on these airplanes. The wingtip on a Boeing 787 is a sharp triangle, while the wingtip on a Boeing 737-300 is flat. British Airways Boeing 787-8 G-ZBJC wingtip | by ...
5
votes
1answer
1k views

What are endplates? How do they work?

Winglets have been discussed fairly regularly, but not much can be found on the topic of endplates. What are endplates, how do they work, and how do they relate to winglets?
0
votes
1answer
274 views

Why do some aircraft have wings that tend to bend up? [closed]

I take regular visits to the Boeing website, and when I look at some pictures, the wings tend to edge/point up. Why is this?
0
votes
1answer
436 views

How does the airflow around winglets reduce drag? [duplicate]

I am familiar with the basic aerodynamics of wingtip vortex generation and I know that winglets reduce drag by reducing wingtip vortex generation. I have never seen any illustration of exactly how ...
0
votes
1answer
220 views

What role do the winglets on the next-generation 737 play? [duplicate]

I've flown on a couple of 737's recently and noticed that the wings are quite beautiful and have a distinctive upward sweep at the wingtip, almost like a vertical stabilizer. What advantages and what ...
-4
votes
1answer
248 views

Is a swept wing the better option against the winglet [closed]

I know that the swept wing decreases lift and the winglet increases lift. Is it better to have a winglet or a swept wing.
-5
votes
1answer
127 views

What exactly do winglets do? [duplicate]

I know that the winglets on planes like the Boeing B737 and Embraer E-190 reduce fuel consumption, but do they do more than that, or are they just for the stated purpose?
2
votes
0answers
119 views

Why do newer commercial aircraft have their wingtips curved up? [duplicate]

Lately I've seen a lot of aircraft that have the wingtips curved up. What is the reason for this?
1
vote
0answers
60 views

why are tips of airplane wings "bent' up? [duplicate]

Why are the tips of wings on new aircraft folded up? Is it safety or efficiency that is the concern? I have done multiple searches and all I ever seem to get are wingtip shoes!
1
vote
0answers
134 views

Small aircraft performance enhancements due to winglets? [duplicate]

I'm seeing some Beechcraft Barons with winglets. Do these improve performance and, if so, by how much?